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"Compared with optical fiber and other means of traditional communication, the 5G technology features flexibility, low costs of construction and maintenance and scalability.

"Cooperation between the US and China is critical to meeting all of the challenges facing our world, from economic growth and trade to security and climate change," the media mogul said.

"China will never allow the secession of any part of its territory by anyone, any organization or any political party by any means at any time. The People's Liberation Army will resolutely defeat anyone attempting to separate Taiwan from China and safeguard national unity at all costs," it said.

"Congressional subpoenas for the President's personal information implicate weighty concerns regarding the separation of powers," Roberts wrote. "Neither side, however, identifies an approach that accounts for these concerns."

"Chinese people do not make trouble, but we are not cowards when involved in trouble," Hua said, adding that any attempt to interfere in Hong Kong affairs and China's internal affairs is doomed to fail.